Feature

Bullsnake Halfway Ready to Hatch When Egg Is Laid

Prisoners up for Parole Given Personality Tests

First Glances at New Books

Front Matter

Plant Hormone Research Is Awarded $1,000 by A.A.A.S.

Worse Broadcast Reception Forecast for Next Two Years

Plants Act like Tiny Electric Batteries

New Infra-Red “Eye” Pierces through Haze and Smoke

Capacity for Work Measures Body’s Resistance to Colds

Cavities in Teeth Due to Number of Causes

Poison Ivy Can Have Five Leaves Too

Solar Energy Now Caught with 15 per Cent. Efficiency